package com.note.back.mapper;

import com.note.back.pojo.Category;
import org.apache.ibatis.annotations.*;

import java.util.List;


@Mapper
public interface CategoryMapper {
    //新增
    @Insert("insert into category(name,author)" +
            "values(#{name},#{author})")
    void add(Category category);

    //查询所有
    @Select("select * from category where author=#{userId}")
    List<Category> list(Integer userId);

    //根据id查询
    @Select("select * from category where id=#{id}")
    Category findById(Integer id);
    //更新
    @Update("update category set name=#{name} where id=#{id}")
    void update(Category category);

    @Delete("delete from category where id=#{id}")
    void delete(Integer id);
    @Select("select id from category where name=#{category}")
    Integer findByName(String category);
}
